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The Collaborative International Dictionary

Oxidation \Ox`i*da"tion\, n. [Cf. F. oxidation.] (Chem.) The act or process of oxidizing, or the state or result of being oxidized.

Douglas Harper's Etymology Dictionary

1791, from French oxidation (1787), coined by G. de Morveau and A. Lavoisier, noun of action from oxider "oxidize," from oxide (see oxide).


n. 1 The combination of a substance with oxygen. 2 (context chemistry English) A reaction in which the atoms of an element lose electrons and the oxidation state of the element increases.


n. the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction [syn: oxidization, oxidisation]

Oxidation (chemistry)

Usage examples of "oxidation".

A speise of this kind, fused and exposed at a red heat to air, first loses arsenide of iron by oxidation.

In each case the titration must be preceded by an exact preparation of the solution to be assayed in order that the iron may be in the right state of oxidation.

All these occur in the cacao bean as it comes from the pod, but why oxidation occurs so much better in a fermented bean than in a bean which is simply dried is not very clear.

Runge in 1834 claims to have detected it in coal tar and called it kyanol, which after oxidation became an insoluble black pigment and known as aniline black.

Yunnan province of China, are unique due to a true fermentation -- not the oxidation used for oolong or black teas.

Ordinarily, monoamine oxidase brings about the oxidation of serotonin into a normal metabolite, one in which the nitrogen atoms have been removed.

In the presence of lysergic acid diethylamide, the monoamine oxidase molecules are taken up by the intruder and are unavailable for the oxidation of serotonin.

Removed by oxidation of all the the hydrogen organs of of proteids, excretion, carbohydrates, but in the and fats.

Somewhat as the power of the steam engine is derived from the combustion of fuel in the furnaces, the energy of the body is supplied through the oxidations at the cells.

The oxidations at the cells are, therefore, under such control that the quantity of kinetic energy supplied to the body as a whole, and to the different organs, is proportional to the work that is done.

LDL oxidation and protects endothelial cells from damage by atherogenic LDL.

The possibility that serotonin in excess produces schizophrenia is greatly weakened, nevertheless, by the fact that a compound very closely related to lysergic acid diethylamide interferes with serotonin oxidation even more and yet produces no hallucinations.

Kinetics of the Reaction Inactivation of Tyroserose During Its Catalyzing of the Aerobic Oxidation of Catechol.

Finally, new research has demonstrated that continued ketosis causes oxidation of your lipoproteins, which is one of the major factors in the development of heart disease.

Oxidation is performed with greater convenience by wet methods, using reagents, such as nitric acid, which contain a large proportion of oxygen loosely held.